NEC mPD98410 User Manual page 207

CHAPTER 7 FAQ (Frequently Asked Questions)
Figure 7-5. Example of HTT Memory Mapping
Memory address
31
VPI = 0-3
0FFFFh
0F800h
VCI = 0-127
VPI = 0-3
0F000h VCI = 0-127
VPI = 0-3
0E800h VCI = 0-127
VPI = 0-3
0E000h VCI = 0-127
VPI = 0-3
0D800h VCI = 0-127
VPI = 0-3
0D000h VCI = 0-127
VPI = 0-3
0C800h VCI = 0-127
VPI = 0-3
VCI = 0-127
0C000h
VPI = 0-3
0B800h VCI = 0-127
VPI = 0-3
VCI = 0-127
0B000h
VPI = 0-3
VCI = 0-127
0A800h
VPI = 0-3
0A000h VCI = 0-127
VPI = 0-3
VCI = 0-127
09800h
VPI = 0-3
VCI = 0-127
09000h
VPI = 0-3
VCI = 0-127
08800h
VPI = 0-3
VCI = 0-127
08000h
VPI = 0-3
VCI = 0-127
07800h
VPI = 0-3
VCI = 0-127
07000h
VPI = 0-3
VCI = 0-127
06800h
VPI = 0-3
VCI = 0-127
06000h
VPI = 0-3
VCI = 0-255
05000h
VPI = 0-3
VCI = 0-255
04000h
VPI = 0-7
VCI = 0-255
02000h

VPI = 7

VPI = 6
VPI = 5 
(NVPC-NVCI)
2
VPI = 4

VPI = 3

VPI = 2

VPI = 1

00000h VPI = 0
4-byte/channel
Example 1M-bits (×18) SRAM × 7
HTT Area-A
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
512-channel
1024-channel
1024-channel
2048-channel
VCI = 0-255
VCI = 0-255
VCI = 0-255
NVCI
2
VCI = 0-255
VCI = 0-255
VCI = 0-255
VCI = 0-255
VCI = 0-255
HTT pointer
0
3FFFh
3E00h
3C00h
3A00h
3800h
3600h
3400h
3200h
3000h
2E00h
2C00h
2A00h
2800h
2600h
2400h
2200h
2000h
1E00h
1C00h
1A00h
1800h
1400h
1000h
0800h
NVPC
2
0000h
BASE
207